public IEnumerable <ILayoutChange> GetRedoList()
{
if (ModificationList.Count > 0)
{
return(ModificationList.Skip(CurrentActionIndex + 1));
}
return(new ILayoutChange[0]);
}
public IEnumerable <ILayoutChange> GetUndoList()
{
if (CurrentActionIndex >= 0 && ModificationList.Count > 0)
{
return(ModificationList.Take(CurrentActionIndex + 1).Reverse());
}
return(new ILayoutChange[0]);
}
private void Layout_LayoutChanged(object sender, LayoutChangedEventArgs e)
{
HasChanged = true;
if (!IsUndoing)
{
if (CurrentActionIndex < ModificationList.Count - 1)
{
ModificationList.RemoveRange(CurrentActionIndex + 1, ModificationList.Count - CurrentActionIndex - 1);
}
CurrentActionIndex++;
ModificationList.Add(e.Change);
}
LayoutChanged?.Invoke(this, EventArgs.Empty);
}
private void ModificationList_CellClick(object sender, CellClickEventArgs e)
{
//点中的是一个有效的单元格
if (e.Row > -1 && e.Column > -1)
{
Rectangle Rect = ModificationList.GetCellRectangle(
ModificationList.GetActiveRowViewportIndex(),
ModificationList.GetActiveColumnViewportIndex(),
e.Row,
e.Column);
Point ScreenPoint = ConditionList.PointToScreen(Rect.Location);
Point ClientPoint = wizardPage2.PointToClient(ScreenPoint);
switch (e.Column)
{
case 0:
Modification_DataItem_Editor.Location = ClientPoint;
Modification_DataItem_Editor.Size = Rect.Size;
Modification_DataItem_Editor.BringToFront();
Modification_DataItem_Editor.DroppedDown = true;
break;
case 1:
ModificationType_Editor.Location = ClientPoint;
ModificationType_Editor.Size = Rect.Size;
ModificationType_Editor.BringToFront();
ModificationType_Editor.DroppedDown = true;
break;
case 2:
ModificationValue_Editor.Location = ClientPoint;
ModificationValue_Editor.Size = Rect.Size;
ModificationValue_Editor.BringToFront();
ModificationValue_Editor.DroppedDown = true;
break;
}
ModificationList.ActiveSheet.SetActiveCell(e.Row, e.Column);
}
}
/// <summary>
/// 初始化写数函数
/// </summary>
/// <param name="FunctionInfo"></param>
public void InitFunctionInfo(WriteDataFunctionInfo FunctionInfo)
{
this.FunctionInfo = FunctionInfo;
//显示写数函数的名称
TextBox_FunctionName.Text = FunctionInfo.Name;
ReadFromTableName = FunctionInfo.ReadOutTableIndex;
//显示写数函数的写入数据的数据表
if (!string.IsNullOrEmpty(FunctionInfo.WriteInTableIndex))
{
TreeNode[] Nodes = SheetList.Nodes.Find(FunctionInfo.WriteInTableIndex, true);
if (Nodes.Length > 0)
{
SheetList.SelectedNode = Nodes[0];
InitFields(Nodes[0]);
}
}
//显示写数函数的过滤条件
//绑定数据时保证显示第一行，以免报错“System.ArgumentOutOfRangeException: Invalid low bound argument”
if (ConditionList.ActiveSheet.Rows.Count > 0)
{
ConditionList.ShowRow(ConditionList.GetActiveRowViewportIndex(), 0, VerticalPosition.Top);
}
ConditionList.ActiveSheet.Rows.Count = 0;
ConditionList.ActiveSheet.Rows.Count = 600;
foreach (ExpressionInfo Info in FunctionInfo.Conditions)
{
ConditionList.ActiveSheet.Rows.Add(0, 1);
ConditionList.ActiveSheet.Rows[0].Tag = Info;
foreach (FieldInfo fieldInfo in WriteToTable_DataItem_Editor.Items)
{
if (fieldInfo.Name == Info.DataItem.Name)
{
ConditionList.ActiveSheet.Cells[0, 0].Value = fieldInfo;
break;
}
}
TreeNode[] dropDownNodes = WriteToTable_Value_Editor.DropDownControl.Nodes.Find(Info.DataValue.Name, true);
if (dropDownNodes.Length > 0)
{
WriteToTable_Value_Editor.DropDownControl.SelectedNode = dropDownNodes[0];
ConditionList.ActiveSheet.Cells[0, 2].Value = dropDownNodes[0].Tag as FieldInfo;
}
ConditionList.ActiveSheet.Cells[0, 1].Value = Info.Operation;
}
//显示写数函数的修改数据项
//绑定数据时保证显示第一行，以免报错“System.ArgumentOutOfRangeException: Invalid low bound argument”
if (ModificationList.ActiveSheet.Rows.Count > 0)
{
ModificationList.ShowRow(ModificationList.GetActiveRowViewportIndex(), 0, VerticalPosition.Top);
}
ModificationList.ActiveSheet.Rows.Count = 0;
ModificationList.ActiveSheet.Rows.Count = 600;
foreach (ExpressionInfo Info in FunctionInfo.Modifications)
{
ModificationList.ActiveSheet.Rows.Add(0, 1);
ModificationList.ActiveSheet.Rows[0].Tag = Info;
foreach (FieldInfo fieldInfo in Modification_DataItem_Editor.Items)
{
if (fieldInfo.Name == Info.DataItem.Name)
{
ModificationList.ActiveSheet.Cells[0, 0].Value = fieldInfo;
break;
}
}
TreeNode[] dropDownNodes = ModificationValue_Editor.DropDownControl.Nodes.Find(Info.DataValue.Name, true);
if (dropDownNodes.Length > 0)
{
ModificationValue_Editor.DropDownControl.SelectedNode = dropDownNodes[0];
ModificationList.ActiveSheet.Cells[0, 2].Value = dropDownNodes[0].Tag as FieldInfo;
}
ModificationList.ActiveSheet.Cells[0, 1].Value = Info.Operation;
}
}
